It was Jack Lance, who wrote Enigmash. Tragically, he died in 2023 at the age of 25. Jack Lance superlatively creative. I cannot find the words to express how much the world lost. I do not know of a finer puzzle designer.
https://jacklance.github.io/games.html
Oh, man. Yes, that’s the one. I had no idea he’d died. :/
Oh, man. Yes, that’s the one. I had no idea he’d died. :/